test: Add IPC wake-up test and reuse mining context #34727

1. 
   enirox001 commented at 11:59 pm on March 3, 2026: contributor

   This is a follow-up to implement a couple of test improvements discussed in recent IPC PRs.

   • adds a test to interface_ipc_mining.py to verify that createNewBlock wakes up immediately when the tip advances, rather than waiting for the cooldown timer to expire (https://github.com/bitcoin/bitcoin/pull/34184#discussion_r2842239399).
   • moves make_mining_ctx into ipc_util.py so it can be reused across the IPC tests instead of duplicating the setup code (https://github.com/bitcoin/bitcoin/pull/34422#discussion_r2852445430).
2. DrahtBot added the label Tests on Mar 3, 2026
3. 
   DrahtBot commented at 11:59 pm on March 3, 2026: contributor

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4. DrahtBot added the label CI failed on Mar 4, 2026
5. enirox001 marked this as a draft on Mar 4, 2026
6. enirox001 force-pushed on Mar 4, 2026
7. enirox001 force-pushed on Mar 4, 2026
8. test: verify createNewBlock wakes promptly when tip advances

   This adds a complementary test to interface_ipc_mining.py to ensure
   that createNewBlock() wakes up immediately once submitblock advances
   the tip, rather than needlessly waiting for the cooldown timer to
   expire on its own.

   2ebb25b83e
9. test: move make_mining_ctx to ipc_util.py

   The async routines in both interface_ipc.py and interface_ipc_mining.py
   contain redundant code to initialize the mining proxy object.
   
   Move the make_mining_ctx helper into test_framework/ipc_util.py and
   update both test files to use it. This removes the boilerplate and
   prevents code duplication across the IPC test suite.

   1329a7d5cc
10. enirox001 force-pushed on Mar 4, 2026
11. enirox001 marked this as ready for review on Mar 4, 2026
12. DrahtBot removed the label CI failed on Mar 4, 2026
13. sedited requested review from Sjors on Mar 8, 2026

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